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Animation Code
animations are done by programming gradual changes in an element's style.
onclick=JavaScript
Reacting to Events
<button onclick="displayDate()"></button> Try it Yourself »
Assign an onclick event to a button element
element.addEventListener(event, function, useCapture);
method attaches an event handler to the specified element
element.addEventListener("click", function(){ alert("Hello World!"); }); Try it yourself »
Add an Event Handler to an Element
